linux-kernel - [PATCH 4.9 01/84] sparc64: remove unnecessary log message

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Message-Id: <20170828080529.580745362@linuxfoundation.org>
Date:   Mon, 28 Aug 2017 10:04:26 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Tushar Dave <tushar.n.dave@...cle.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.9 01/84] sparc64: remove unnecessary log message

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 6170a506899aee3dd4934c928426505e47b1b466 ]

There is no need to log message if ATU hvapi couldn't get register.
Unlike PCI hvapi, ATU hvapi registration failure is not hard error.
Even if ATU hvapi registration fails (on system with ATU or without
ATU) system continues with legacy IOMMU. So only log message when
ATU hvapi successfully get registered.

Signed-off-by: Tushar Dave <tushar.n.dave@...cle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/sparc/kernel/pci_sun4v.c |    2 --
 1 file changed, 2 deletions(-)

--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -1240,8 +1240,6 @@ static int pci_sun4v_probe(struct platfo
 			 * ATU group, but ATU hcalls won't be available.
 			 */
 			hv_atu = false;
-			pr_err(PFX "Could not register hvapi ATU err=%d\n",
-			       err);
 		} else {
 			pr_info(PFX "Registered hvapi ATU major[%lu] minor[%lu]\n",
 				vatu_major, vatu_minor);